Mar 24, 2013 7:00pm PDT
so loud right outside your room. >> reporter: our results are disturbing. but dr. gary smith says he sees this kind of thing all the time. >> it would astound you at how loud the sounds can get and the children continue to sleep through them. >> reporter: dr. smith is a researcher at ohio's nationwide children's hospital and has been studying smoke detectors and sleeping children for years. >> how do children sleep differently than adults? >> they sleep very differently than adults. first of all, they spend more time in sleep. also, while they're asleep, spend more time in the deepest parts of sleep. and those are the parts of sleep that it's hardest to awaken from. >> reporter: so what does wake them up? dr. smith invited "dateline" into his sleep lab as he tested different alarm sounds on kids 12 and under to see what would work. hooking them up to sleep monitors. as we and their parents watch their responses live. first the traditional alarm most of us have. >> three, two, one. go. [ beeping ] >> reporter: within seconds two of the kids wake up and get to the door. great. but dr.
Mar 17, 2013 7:00pm PDT
. announcer: in the boardroom, tensions rose on plan b. gary is very dear. he's a lot of fun. but he's very distracting. when was i distracting? are you now unhappy with marilu? no, i just understand what she is and where she's coming from. announcer: and when the results were announced, an emotional omarosa broke down. you won $40,000 in honor of michael. omarosa: [ crying ] i just miss him so much. announcer: but not everyone on her time was buying it. la toya: i truly believe that she's using this as a card to manipulate herself through the game and soar to the top. dennis: that right there was like an oscar winner right there. announcer: back in the boardroom, dee snider fell on his sword. so, as the person who ultimately made the decision to use that concept, i feel that i am the marked man. dee, you're fired. [ mid-tempo music plays ] penn: congratulations. omarosa: oh. lisa: you just had me in tears. marilu: that was nice. michael's looking out for you, baby. that was just too much, that moment. [ sighs ] claudia: when she was crying, there was no tears coming out. la toya: that's --